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  • Profile picture of David Brezinski

    David Brezinski wrote a new post

    • 4 years, 1 month ago
    Week 16 - David Brezinski

    Challenges & Opportunities I honestly do not feel like writing a blog entry today. I do not feel like I have a lot to say or share. But, as to not fall behind on my black-belt requirements (well, except for…

  • Profile picture of Dirk Herfurth

    Dirk Herfurth wrote a new post

    • 4 years, 2 months ago
    Week 15 - Dirk Herfurth

    Recap of the Sly Park camp week. One of the main educational purposes was to familiarize the kids with their backdoor nature. Besides learning about environmental threats like wild fires, drought or invasive…

  • Profile picture of Dirk Herfurth

    Dirk Herfurth wrote a new post

    • 4 years, 2 months ago
    Week 14 - Dirk Herfurth

    This week one of my challenges for this year took place in form of chaperoning my 6 grade son’s week long field trip to Sly Park Education camp. To be honest, I was a little concerned of how it will be spending a f…

  • Profile picture of David Brezinski

    David Brezinski wrote a new post

    • 4 years, 2 months ago
    Week 15 - David Brezinski

    Zen in the Martial Arts – By Joe Hyams Reading ‘Zen In The Martial Arts’ there are many things that wholly resonate with me and my experiences thus far as an aspiring black-belt candidate and martial artist that…

  • Profile picture of David Brezinski

    David Brezinski wrote a new post

    • 4 years, 2 months ago
    Week 14 – David Brezinski

    Broken Hand…but resolute spirit! Sparring! A hook punch to Dirk-san’s right hip bone and one broken metacarpal. It happened so quickly just three weeks ago. “The time to strike is when the opportunity prese…

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OneHeart Challenge

The OneHeart Challenge is a year-long quest rooted in the principles of of Isshinryu Karate–the ‘One-Heart Way.’ While some will use the challenge as part of their next rank promotion, it is so much more than a black-belt test. This challenge embodies the harmonious fusion of mind, body, and spirit.

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  • Video Blogs June 16, 2026
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  • End of Junior Year June 13, 2026
  • First Week Down June 8, 2026
  • 2nd Semester Finals June 7, 2026
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